Answer:
It is 20
Step-by-step explanation:
1+1= 2*20=40
40/2=20
Semiannual means there will be two total periods in a year. Divide ten percent by two to get the interest rate per period. Then multiple by 1+i twice
20/100 * X = 8
X = 8*100/20
X=40
I would say the answer is B